Merge pull request #19 from montblu/16-add-option-to-get-ssh-logs-to-…

…stdout

Add option to get ssh logs to stdout

README.md

@@ -36,6 +36,7 @@ No modules.
 | <a name="input_ssh_host_rsa_key"></a> [ssh\_host\_rsa\_key](#input\_ssh\_host\_rsa\_key) | Private key used by the OpenSSH server. If not defined it will generated automatically, but won't be saved. | `string` | `""` | no |
 | <a name="input_ssh_host_rsa_key_public"></a> [ssh\_host\_rsa\_key\_public](#input\_ssh\_host\_rsa\_key\_public) | Public key used by the OpenSSH server. If not defined it will generated automatically, but won't be saved. | `string` | `""` | no |
 | <a name="input_ssh_keys"></a> [ssh\_keys](#input\_ssh\_keys) | List of SSH keys to be added to the authorized keys list. Should be in the same format as the 'authorized\_keys' file, represented in Heredoc style as a multi-line string value. | `string` | n/a | yes |
+| <a name="input_ssh_log_to_stdout"></a> [ssh\_log\_to\_stdout](#input\_ssh\_log\_to\_stdout) | If set to true it will log the SSH connection to stdout. | `bool` | `false` | no |
 | <a name="input_ssh_port"></a> [ssh\_port](#input\_ssh\_port) | Specify the port that OpenSSH server will bind to. The port value can't be below 1024. If not defined it will use '2222' as default. | `number` | `2222` | no |
 | <a name="input_ssh_user"></a> [ssh\_user](#input\_ssh\_user) | Specify a username to connect to. If not defined it will use 'user' as default. | `string` | `"user"` | no |
 | <a name="input_sshd_config"></a> [sshd\_config](#input\_sshd\_config) | Configuration file for SSH. If not defined it will use the default. | `string` | `""` | no |

main.tf

@@ -9,9 +9,9 @@ resource "kubernetes_config_map" "main" {
   }
 
   data = {
-    "authorized_keys" = var.ssh_keys
-    "motd"            = "Welcome to ${var.motd_name}.\n"
-    "delete-generated-ssh-keys"            = <<EOT
+    "authorized_keys"           = var.ssh_keys
+    "motd"                      = "Welcome to ${var.motd_name}.\n"
+    "delete-generated-ssh-keys" = <<EOT
 #!/bin/bash
 echo "**** remove not needed ecdsa and ed25519 keys ****"
 rm /config/ssh_host_keys/ssh_host_ecdsa*
@@ -129,7 +129,15 @@ resource "kubernetes_deployment" "main" {
           env {
             # Ref: https://github.com/linuxserver/docker-mods/tree/openssh-server-ssh-tunnel
             name  = "DOCKER_MODS"
-            value = "linuxserver/mods:openssh-server-ssh-tunnel"
+            value = "linuxserver/mods:openssh-server-ssh-tunnel${var.ssh_log_to_stdout ? "|linuxserver/mods:universal-stdout-logs" : ""}"
+          }
+
+          dynamic "env" {
+            for_each = var.ssh_log_to_stdout ? ["dummy"] : []
+            content {
+              name  = "LOGS_TO_STDOUT"
+              value = "/config/logs/openssh/current" # OpenSSH logs
+            }
           }
 
           env {
@@ -157,7 +165,7 @@ resource "kubernetes_deployment" "main" {
             name       = "delete-generated-ssh-keys"
             mount_path = "/custom-cont-init.d/delete-generated-ssh-keys"
             sub_path   = "delete-generated-ssh-keys"
-            read_only = true
+            read_only  = true
           }
 
           volume_mount {

variables.tf

@@ -51,6 +51,12 @@ variable "ssh_port" {
   description = "Specify the port that OpenSSH server will bind to. The port value can't be below 1024. If not defined it will use '2222' as default."
 }
 
+variable "ssh_log_to_stdout" {
+  type        = bool
+  default     = false
+  description = "If set to true it will log the SSH connection to stdout."
+}
+
 variable "image_repository" {
   type        = string
   default     = "linuxserver/openssh-server"